Q: What are the prime factors of the number 15,526,500?

 A: 2, 3, 5, 11, 941

Why are those the prime factors of the number 15,526,500?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 15,526,500

15,526,500
Factor Arrows
27,763,250
Factor Arrows
23,881,625
Factor Arrows
31,293,875
Factor Arrows
5258,775
Factor Arrows
551,755
Factor Arrows
510,351
Factor Arrows
11941

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 3, 5, 11, 941

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 5 x 5 x 11 x 941 = 15,526,500

This can also be written as 22 x 31 x 53 x 111 x 9411 = 15,526,500

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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